The 618/4-2RS1 Bearing, also known as the 61842RS1-ECO, is a micro deep groove ball bearing with dimensions of 4x9x4 mm. This component is designed for high-precision applications where space constraints are critical. Its compact size makes it ideal for use in various industrial sectors, offering reliable performance in small mechanical assemblies. The bearing’s double-sealed construction ensures protection against contaminants, making it a preferred choice for environments requiring cleanliness and efficiency.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 4 mm |
| Outer diameter (D) | 9 mm |
| Width (B) | 4 mm |
| Basic dynamic load rating (C) | 0.645 kN |
| Basic static load rating (C0) | 0.229 kN |
| Limiting speed | 70,000 rpm |
| Shielding / Sealing | 2RS |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Lithium grease |
| Precision class | P0 / ABEC-1 |
Technical advantages
The 618/4-2RS1 Bearing offers several technical benefits, vital for demanding micro applications:
- Compact dimensions of 4x9x4 mm, suitable for space-limited environments.
- Continuous operation capability up to 70,000 rpm due to optimized ball geometry.
- Rings manufactured from heat-treated 100Cr6 chrome steel for enhanced fatigue resistance.
- Standard CN radial clearance, ensuring optimal performance without preload.
- 2RS sealing provides effective IP-rated protection against dust and water splashes.
Typical applications
This bearing’s micro size and robust construction make it suitable for a range of specialized applications:
- Measurement and laboratory instruments, including optical encoders and electronic micrometers.
- Aeromodelling and drones, particularly in brushless motors and planetary gearboxes.
- Dental equipment, such as turbines, contra-angles, and micromotors.
- Precision robotics, including harmonic drive reducers and cardan joints.
- Medical devices like peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers fast availability of the 61842RS1-ECO bearing. Businesses can easily add this bearing to their cart or request a quotation for bulk purchases, ensuring seamless integration into their manufacturing processes.
